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Proceedings Paper

Digital implementation of fractional Fourier transform hologram
Author(s): Yongkang Guo; Shiwei Xie; Yangsu Zeng; Fuhua Gao; Yixiao Zhang; Feng Gao; Chunlei Du
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Paper Abstract

Digital implementation of fractional Fourier transform hologram (FRTH) is studied. From the definition of fractional Fourier transform (FRT), its discrete form is obtained and then a fast FRT algorithm is generated based on fast Fourier transform (FFT). Therefore, with the algorithm whose numerical efficiency is equal to the FFT, FRT can be quickly calculated and moreover FRTCGH can be efficiently encoded and reconstructed. The digital implementation for FRTH can lead its advantages, such as flexibility of fabrication and variation with recording system parameters, to expanding its application fields in FRT and holography.

Paper Details

Date Published: 30 August 2002
PDF: 5 pages
Proc. SPIE 4924, Holography, Diffractive Optics, and Applications, (30 August 2002); doi: 10.1117/12.481521
Show Author Affiliations
Yongkang Guo, Sichuan Univ. (China)
Shiwei Xie, Sichuan Univ. (China)
Yangsu Zeng, Sichuan Univ. (China)
Fuhua Gao, Sichuan Univ. (China)
Yixiao Zhang, Sichuan Univ. (China)
Feng Gao, Sichuan Univ. (China)
Chunlei Du, Institute of Optics and Electronics (China)

Published in SPIE Proceedings Vol. 4924:
Holography, Diffractive Optics, and Applications
Dahsiung Hsu; Jiabi Chen; Yunlong Sheng, Editor(s)

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